New Delhi: The Centre on Monday asked the West Bengal government to send a report on the incident of gang-rape of an elderly nun at a convent in Nadia district and action taken so far.

In a communication, the Home Ministry told the state government to give a detailed report about the incident, whether there was enough security at the convent and the steps taken to prevent such incidents in future.

The Home Ministry also asked the West Bengal government to inform what action has been taken to punish those involved in the incident.

The 71-year-old nun was allegedly gang-raped by dacoits at Gangnapur in Nadia district in the early hours on Saturday after which a CID probe was ordered into the incident.

A study of the CCTV footage at the convent in Ranaghat subdivision had shown visuals of four persons, who were allegedly involved in the crime.

Police so far detained 10 people in this connection.

The District SP had announced a reward of Rs 1 lakh to any individual providing credible information leading to the arrest of the accused.